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2021.02.19 06:46:26.046854 [ 43 ] {} <Warning> Application: Listen [0.0.0.0]:8123 failed: Poco::Exception. Code: 1000, e.code() = 98, e.displayText() = Net Exception: Address already in use: 0.0.0.0:8123 (version 21.1.2.15 (official build)). If it is an IPv6 or IPv4 address and your host has disabled IPv6 or IPv4, then consider to specify not disabled IPv4 or IPv6 address to listen in <listen_host> element of configuration file. Example for disabled IPv6: <listen_host>0.0.0.0</listen_host> . Example for disabled IPv4: <listen_host>::</listen_host>
2021.02.19 06:46:27.325681 [ 81 ] {} <Warning> Application: Listen [::]:8123 failed: Poco::Exception. Code: 1000, e.code() = 0, e.displayText() = DNS error: EAI: Address family for hostname not supported (version 21.1.2.15 (official build)). If it is an IPv6 or IPv4 address and your host has disabled IPv6 or IPv4, then consider to specify not disabled IPv4 or IPv6 address to listen in <listen_host> element of configuration file. Example for disabled IPv6: <listen_host>0.0.0.0</listen_host> . Example for disabled IPv4: <listen_host>::</listen_host>
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